TIMOTHY S LARSON M.D.
NPI 1093792269
Internal Medicine - Nephrology in Rochester, MN

Active since December 28, 2005PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: August 18, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 18, 2020, Apr 30, 2018 (2 updates tracked since 2018).

About Timothy S Larson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY S LARSON M.D. (NPI 1093792269) is an individual nephrology provider in Rochester, Minnesota, licensed in Minnesota (27904) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Mayo Medical School (1982).

NPPES Registry Identity

NPI1093792269
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameTIMOTHY S LARSONCredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSMayo Medical SchoolGraduated 1982
Enumeration DateDecember 28, 2005
Last NPPES UpdateAugust 18, 20202 updates tracked since enumeration
NPPES CertifiedAugust 18, 2020
NPI 1093792269 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses Licensed in MN · 27904 Licensed in FL · ME60884 Licensed in AZ · 20419 Licensed in IA · 30826
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
200 1ST ST SW, Rochester, MN 55905

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Timothy S Larson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446385488
PECOS Enrollment IDI20100316001044
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Urine volume measurement 81050
Urine volume measurement is a simple procedure to assess the amount of urine your body produces in a given time period. This helps to monitor your body's water balance and kidney function. You'll collect all urine in a special container for a set time, typically 24 hours.
2,597 services1,305 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
2,216 services1,117 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
1,346 services1,298 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
1,085 services1,055 patients
Low osmolar contrast material, 100-199 mg/ml iodine concentration, per ml Q9965
Low osmolar contrast material with 100-199 mg/ml iodine concentration is a type of dye used in medical imaging tests. It helps to clearly highlight certain areas in the body, improving the quality of images and aiding in accurate diagnosis. It's generally safe and well-tolerated.
1,000 services749 patients
Simple insertion of temporary bladder tube 51702
This procedure involves placing a temporary tube into your bladder to help with urine flow. It's done when the body can't naturally remove urine. The tube is inserted through a small opening and allows urine to drain into a bag. It's usually a short-term solution.
140 services128 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.61 typical visit price
range $56.00 – $168.28
Typical copayment $31.90 (range $14.00 – $42.07)
Most-billed visit code 99204
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Azathioprine, oral, 50 mg J7500
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers14 claims825 services$0.47 avg. paid by Medicare
Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
2 suppliers82 claims27,090 services$1.17 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
33 suppliers227 claims19,436 services$0.32 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
6 suppliers76 claims11,032 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
8 suppliers87 claims12,296 services$0.16 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
29 suppliers162 claims162 services$17.55 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy Larson's NPI number?

The NPI number for Timothy Larson is 1093792269. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Timothy Larson located?

Timothy Larson practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is Timothy Larson's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Timothy Larson enrolled in Medicare?

Yes. Timothy Larson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Timothy Larson accept?

Health plans from Medica list Timothy Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Timothy Larson affiliated with any hospitals?

According to CMS data, Timothy Larson is affiliated with Mayo Clinic Hospital Rochester.

When was this NPI record last updated?

The NPPES record for Timothy Larson was last updated on August 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.